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What is the “N+1 selects problem” in ORM (Object-Relational Mapping)?
... prevent N+1 selects.
Reference: Java Persistence with Hibernate, chapter 13.
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Visualizing branch topology in Git
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answered Dec 3 '09 at 9:56
jrockwayjrockway
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How to get the children of the $(this) selector?
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SimonSimon
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When to use the brace-enclosed initializer?
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Sleep in JavaScript - delay between actions
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You can use setTimeout to achieve a similar effect:
var a = 1 + 3;
var b;
setTimeout(function() {
b = a + 4;
}, (3 * 1000));
This doesn't really 'sleep' JavaScript—it just executes the function passed to setTimeout after a certain duration (specified in milliseconds). Although it ...
“Width equals height” constraint in Interface Builder
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Should I use the Reply-To header when sending emails as a service to others?
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Can you have additional .gitignore per directory within a single repo?
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How to get the return value from a thread in python?
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In Python 3.2+, stdlib concurrent.futures module provides a higher level API to threading, including passing return values or exceptions from a worker thread back to the main thread:
import concurrent.futures
def foo(bar):
print(...
What is the difference between object keys with quotes and without quotes?
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answered Dec 3 '10 at 18:10
bdukesbdukes
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